{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Fractionation of Aristea ecklonii resulted in the isolation of the known bioactive compound , plumbagin , displaying noteworthy antimicrobial activity ( MIC range between 2 . 00 mu g / ml and 16 . 00 mu g / ml ) ."}
{"Chemical": ["plumbagin"]}